Coffee grinder



FIG. 1 is a perspective view of a coffee grinder showing my new design;

FIG. 2 is a left side elevation view thereof

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a exploded perspective view thereof; and,

FIG. 9 is a exploded left side elevation view thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a coffee grinder, as shown and described. 